The Fussball Club Basel 18931982–83 season was their 89th season since the club was founded. It was their 37th consecutive season in the top flight of Swiss football after they won promotion during the season 1945–46. They played their home games in the St. Jakob Stadium. Roland Rasi was thier newly apponted chairmann, he replaced Pierre Jacques Lieblich who stood down at the AGM.
Rainer Ohlhauser was the first team manager. He had taken over from Helmut Benthaus, who had been manager for for 17 years between 1965 and 1982, and who had taken over as manager of VfB Stuttgart. Basel played in the 1982–83 Nationalliga A. Basel ended the season in eleventh position, 24 points behind Grasshopper Club Zürich who became champions. In their 30 league games Basel won ten, drew five and lost fifteen matches, obtaining 25 points. They scored 47 goals, conceeding 56.
Basel entered into the Swiss Cup in the round of 64. Here they were drawn away against FC Breitenbach and on 9 October they won the match 4–0. In the round of 32 Basel were drawn at home against Lausanne-Sport. The game was played on 12 March 1983 and Basel won 2–1. On 4 April the away defeat against Mendrisio meant the end of this cup season. The Swiss League Cup was not competed this year.
In the Coppa delle Alpi Basel were drawn against AJ Auxerre and Metz. Two draws against Auxerre and one victory and a defeat against Metz left them in third position in the Swiss teams group table. Xamax and Nantes played in the final.